Vaccine-Induced Boosting of Influenza Virus-Specific CD4 T Cells in Younger and Aged Humans

• Douglas V. Dolfi,

  Affiliation Institute for Immunology, Department of Microbiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, United States of America

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• Kathleen D. Mansfield,

  Affiliation Institute for Immunology, Department of Microbiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, United States of America

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• Raj K. Kurupati,

  Affiliation Wistar Institute, Philadelphia, Pennsylvania, United States of America

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• Senthil Kannan,

  Affiliations Wistar Institute, Philadelphia, Pennsylvania, United States of America, Biomedical Graduate Group, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

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• Susan A. Doyle,

  Affiliation Division of Geriatrics, Department of Medicine, Duke University Medical Center, and Geriatric Research Education and Clinical Center, Durham VA Medical Center, Durham, North Carolina, United States of America

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• Hildegund C. J. Ertl,

  Affiliation Wistar Institute, Philadelphia, Pennsylvania, United States of America

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• Kenneth E. Schmader,

  Affiliation Division of Geriatrics, Department of Medicine, Duke University Medical Center, and Geriatric Research Education and Clinical Center, Durham VA Medical Center, Durham, North Carolina, United States of America

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• E. John Wherry

  * E-mail: wherry@mail.med.upenn.edu

  Affiliation Institute for Immunology, Department of Microbiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, United States of America

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